Hitachi OE700 Series, Operating Manual

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Hitachi High-Tech Analytical Science
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5 Scope of delivery, transport, set-up and installation
5.5.3 Testing UV transparency
Once the pump cycle has been completed, check the vacuum chamber's
UV transparency as follows:
1. Open the main measuring window in the spectrometer software.
2. Select "Optic UV transparency test" from the menu item "Analysis".
Fig. 5-8 Testing the UV transparency
3. Place the displayed (fig. 5-9) and freshly prepared recalibration sample on the
spark stand and fix it in place with the hold-down device.
4. Switch on the excitation source at the rotary knob on the front of the instrument and
press "Start".
Fig. 5-9 Measuring the recalibration sample
Once the measurement is completed, the instrument will indicate the UV transparency
level.
If the message appears in
green (UV purge factor min. 80 %), the spectrometer is ready
for operation.
Fig. 5-10 Argon purge completed successfully
If the message appears in red (UV purge factor < 80 %), please contact the service of
Hitachi High-Tech Analytical Science.